OM Seating - JR77-65 - Office Master Adjustable Arms

Features

Tall Arm
Height Adjustable - Width is Fixed
Removable T-arms with lockable arm top
Minimum height from arm-top to top of the seat ( approx.): 9.5"
Maximum height from arm-top to top of the seat ( approx.): 13.75"
4.25" up/down height adjustment
Pivot adjustment: 15 degrees in and 10° out
Fore-aft adjustment: 1" forward and 1" back
Side to Side adjustment: 1"
12-year limited warranty on arm frames
5-year limited warranty on arm tops

Specifications

Model/Sku: Office Master JR77-65
Overall Width: 28"
Overall Height: 40.5" - 45.5"
Back: 18″w x 24.5″h
Seat: 19.5″w x 17.5-19.75″d
Seat Height: 16-21″
Carton Weight: 67 pounds
Warranty: Lifetime limited

Chair measurements are approximate and are based on switching cylinder heights on otherwise the same chair, with the same base and casters. Arm dimensions are approximate as actual measurements will vary depending on a variety of factors: cushion contour(s), seat upholstery, memory foam, etc.:

JR77-65 - Office Master Adjustable Arms

Name: JR77-65 - Office Master Adjustable Arms
Brand: OM Seating
SKU: JR77-65
Price: 143.00 USD
Availability: InStock

Vendor: OM Seating

SKU: JR77-65

$143.00

$143.00 ~~$220.00~~

Shipping calculated at checkout.

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Disclaimer - Arms are sold in pairs. Casters come in sets of five. Cylinder height and fit vary by chair model. Not all parts are cross-compatible. If unsure, please contact us to confirm before ordering.

The Office Master JR77-65 Arms are tall, height-adjustable T-arms with a 4.25" vertical range (approx. 9.5"–13.75" above the seat), ideal for users needing extra arm height. They feature lockable, removable tops with pivot, fore-aft, and side-to-side adjustments for personalized comfort. Backed by a 12-year frame and 5-year arm top warranty.

Features

Tall Arm
Height Adjustable - Width is Fixed
Removable T-arms with lockable arm top
Minimum height from arm-top to top of the seat ( approx.): 9.5"
Maximum height from arm-top to top of the seat ( approx.): 13.75"
4.25" up/down height adjustment
Pivot adjustment: 15 degrees in and 10° out
Fore-aft adjustment: 1" forward and 1" back
Side to Side adjustment: 1"
12-year limited warranty on arm frames
5-year limited warranty on arm tops

Specifications

Model/Sku: Office Master JR77-65
Overall Width: 28"
Overall Height: 40.5" - 45.5"
Back: 18″w x 24.5″h
Seat: 19.5″w x 17.5-19.75″d
Seat Height: 16-21″
Carton Weight: 67 pounds
Warranty: Lifetime limited

An Official Dealer for OM Seating & Special-T

We’re proud to be an authorized reseller for OM Seating and Special-T, bringing you direct access to their high-quality products with the full support you deserve.

Full Manufacturer Warranties

Every chair and table is backed by the official warranty.

Guaranteed Quality

Shop confidently knowing you’re buying authentic, factory-fresh products.

Safe & Secure Purchases

Transparent policies and verified sourcing give you peace of mind.

Expert Product Knowledge

Our team is trained directly on OM Seating and Special-T solutions.

The OM5 Evolved

The Lorien Series

Kingston Training

AIM XL Conference

The OM5 Evolved

The Lorien Series

Kingston Training

AIM XL Conference

Features

Specifications

JR77-65 - Office Master Adjustable Arms